31081689216

Names of 31081689216

• Cardinal: 31081689216 can be written as Thirty-one billion, eighty-one million, six hundred eighty-nine thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 3.1081689216 × 10¹⁰

Factors of 31081689216

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 617

Divisors of 31081689216

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 31 32 36 46 48 62 64 69 72 79 92 93 96 124 128 138 144 158 184 186 192 207 237 248 276 279 288 316 368 372 384 414 474 479 496 552 558 576 632 711 713 736 744 828 948 958 992 1104 1116 1152 1264 1422 1426 1437 1472 1488 1656 1817 1896 1916 1984 2139 2208 2232 2449 2528 2844 2852 2874 2944 2976 3312 3634 3792 3832 3968 4278 4311 4416 4464 4898 5056 5451 5688 5704 5748 5952 6417 6624 7268 7347 7584 7664 8556 8622 8832 8928 9796 10112 10902 11017 11376 11408 11496 11904 12834 13248 14536 14694 14849 15168 15328 16353 17112 17244 17856 19592 21804 22034 22041 22752 22816 22992 25668 26496 29072 29388 29698 30336 30656 32706 33051 34224 34488 35712 37841 39184 43608 44068 44082 44547 45504 45632 45984 51336 56327 58144 58776 59396 61312 65412 66102 68448 68976 75682 78368 87216 88136 88164 89094 91008 91264 91968 99153 102672 112654 113523 116288 117552 118792 130824 132204 133641 136896 137952 151364 156736 168981 174432 176272 176328 178188 183936 198306 205344 225308 227046 232576 235104 237584 261648 264408 267282 273792 275904 302728 313472 337962 340569 341527 348864 352544 352656 356376 396612 410688 450616 454092 470208 475168 506943 523296 528816 534564 551808 605456 675924 681138 683054 697728 705088 705312 712752 793224 821376 870343 901232 908184 940416 950336 1013886 1024581 1046592 1057632 1069128 1173071 1210912 1351848 1362276 1366108 1410176 1410624 1425504 1586448 1740686 1802464 1816368 1900672 2027772 2049162 2093184 2115264 2138256 2346142 2421824 2611029 2703696 2724552 2732216 2821248 2851008 3073743 3172896 3481372 3519213 3604928 3632736 4055544 4098324 4230528 4276512 4692284 4843648 5222058 5407392 5449104 5464432 5702016 6147486 6345792 6962744 7038426 7209856 7265472 7833087 8111088 8196648 8553024 9384568 10444116 10557639 10814784 10898208 10928864 12294972 12691584 13925488 14076852 14530944 15666174 16222176 16393296 17106048 18769136 20888232 21115278 21629568 21796416 21857728 24589944 26980633 27850976 28153704 31332348 32444352 32786592 37538272 41776464 42230556 43592832 43715456 49179888 53961266 55701952 56307408 62664696 64888704 65573184 75076544 80941899 83552928 84461112 98359776 107922532 111403904 112614816 125329392 131146368 150153088 161883798 167105856 168922224 196719552 215845064 225229632 242825697 250658784 323767596 334211712 337844448 393439104 431690128 450459264 485651394 501317568 647535192 675688896 863380256 971302788 1002635136 1295070384 1351377792 1726760512 1942605576 2590140768 3453521024 3885211152 5180281536 7770422304 10360563072 15540844608 31081689216
• Sum of all divisors σ(n): 97763328000
• Sum of proper divisors (its aliquot sum) s(n): 66681638784
• 31081689216 is an abundant number, because the sum of its proper divisors (66681638784) is greater than itself. Its abundance is 35599949568

Bases of 31081689216

• Binary: 11100111100100111001111000010000000₂
• Hexadecimal: 0x73C9CF080
• Base-36: EA18GW0

Squares and roots of 31081689216

• 31081689216 squared (31081689216²) is 966071404520010694656
• 31081689216 cubed (31081689216³) is 30027131155755590064294064029696
• The square root of 31081689216 is 176299.9977765173
• The cube root of 31081689216 is 3144.1375539531

Scales and comparisons

• 31,081,689,216 seconds is equal to 988 years, 15 weeks, 4 days, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 31,081,689,216 would take you about one thousand, nine hundred seventy-six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 31081689216 cubic inches would be around 262 feet tall.

Recreational maths with 31081689216

• 31081689216 backwards is 61298618013
• The number of decimal digits it has is: 11
• The sum of 31081689216's digits is 45
• More coming soon!